IMPORTANT PARTS OF THE TRANSMITTER, TENSION SPRING, ADJUSTING CONTACTS, AND ADJUSTING SPRINGS. ELEMENTS OF MORSE CODE, TIMING, AND PARTS OF BODY THAT FUNCTION WHEN TRANSMITTING CODE. IMPORTANCE OF CORRECT POSITION AND OPERATION.
Reviewer:Chris_yipyap
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June 26, 2010 Subject:
needs a bit of trimming
Needs a bit of trimming. There is a lot of blank screen at the end. The actual film only lasts 9+ minutes. Otherwise, very interesting and well preserved.